Sebastian Erdweg introduces SugarJ, a Java-based extensible programming framework which extends Java with closures.
Martin Thiede introduces and demoes RText, an open source textual DSL framework that can be used with almost any text editor or IDE.
Matt DeBergalis introduces Meteor and some of its components, showing how they work together to shorten the development cycle, whether you're a team of expert developers or just getting started.
Jesse Wilson introduces Dagger, a dependency injection framework for Java, covering the motivation behind its creation, examples on how to use it and some of the internal details.
Jeff Kelley introduces the Grand Central Dispatch framework for writing concurrent applications for iOS.
Owen Barnes introduces SocketStream, a Node.js framework for building single-page real-time web applications that access all of their data via WebSocket.
Pete LePage lists a number of mobile development tools, frameworks and libraries, and introduces a testing and iteration process meant to ensure an application works on as many devices as possible.
Dio Synodinos explains and demoes HTML5 visualization tools and frameworks: CSS3, SVG, Canvas, WebGL, Raphaël, Processing.js, D3.js, Fabric.js, etc.